Tower fan



FIG. 1 is a left front perspective view of a tower fan.

FIG. 2 is a right rear perspective view of the tower fan.

FIG. 3 is a right rear bottom perspective view of the tower fan.

FIG. 4 is a front view of the tower fan.

FIG. 5 is a rear view of the tower fan.

FIG. 6 is a left side view of the tower fan.

FIG. 7 is a right side view of the tower fan.

FIG. 8 is a top view of the tower fan; and,

FIG. 9 is a bottom view of the tower fan.

The broken line showing of the front grid, the rear grid, the bottom of the base, the bolt holes and the buttons on the top is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design for a tower fan, as shown and described. 